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Finding the Fourth Proportional to 36,697.40, 50,641.55 and 21,591.03

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Solution

The fourth proportional to 36,697.40, 50,641.55 and 21,591.03 is: 29,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,697.40 : 50,641.55 = 21,591.03 : x
  2. Step 2: Convert to fraction form
    36,697.40/50,641.55 = 21,591.03/x
  3. Step 3: Cross multiply
    36,697.40x = 50,641.55 × 21,591.03
  4. Step 4: Simplify right side
    36,697.40x = 1,093,403,388.21
  5. Step 5: Solve for x
    x = 1,093,403,388.21/36,697.40
  6. Step 6: Final answer
    x = 29,795.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.